How can I file 2017 taxes if my parents already claimed me?

[DoninGA]

On the 2017 tax return you just indicate that you can be claimed as a dependent.

To complete and file a 2017 tax return you will need to purchase, download and install on a personal computer one of the 2017 desktop editions from this TurboTax website - https://turbotax.intuit.com/personal-taxes/past-years-products/

A 2017 tax return can only be printed and mailed, it cannot be e-filed.

[xmasbaby0]

If your 2017 tax return is a simple one you could also just prepare it by hand on the paper forms instead of spending money on the software.

https://www.irs.gov/pub/irs-prior/f1040a--2017.pdf

https://www.irs.gov/pub/irs-prior/i1040a--2017.pdf

https://www.irs.gov/pub/irs-prior/f1040ez--2017.pdf

https://www.irs.gov/pub/irs-prior/i1040ez--2017.pdf